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Siemens 3RW4436-2BC34 SIRIUS Soft Starter - Phased Out

Siemens 3RW4436-2BC34 SIRIUS soft starter with spring terminals.

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ManufacturerSiemens

Part number3RW4436-2BC34

Voltage 200-460 V AC

Control Voltage 115 V AC

Standard Current 145 A (460V, 50°C)

Inside-Delta Current 251 A

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12-month warranty

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Worldwide delivery

US, EU, Asia, Middle East

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Veteran-owned

CAGE: 9NK75

High current capacity Spring-type terminals Smooth motor acceleration Reduced inrush current Overload protection Reliable performance

Product description

The Siemens 3RW4436-2BC34 is a powerful SIRIUS soft starter featuring spring-type terminals for efficient installation. It provides 145 A at 460 V (50°C standard) and 251 A inside-delta, with significant power ratings of 100 hp and 200 hp, respectively. This unit operates on 200-460 V AC and uses 115 V AC for control circuits.

This soft starter is designed for high-power industrial motor applications requiring smooth acceleration and reduced electrical stress, such as large pumps, fans, and compressors in manufacturing, water treatment, and processing plants. The spring-type terminals ensure quick and secure connections, ideal for demanding environments.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RW4436-2BC34 to provide reliable solutions for your automation needs. We specialize in sourcing discontinued and hard-to-find components, ensuring operational continuity for your systems. Trust Stanlo Automation for quality surplus parts and expert support.

Technical specifications

Voltage	200-460 V AC
Control Voltage	115 V AC
Standard Current	145 A (460V, 50°C)
Inside-Delta Current	251 A
Standard Power	100 hp (460V, 50°C)
Inside-Delta Power	200 hp
Terminals	Spring-type

Common applications

High-power motor control

Industrial pumps

Large fans

Compressors

Manufacturing equipment

Water treatment systems

Compatible systems

Siemens SIRIUS motor control systems

Also known as

Siemens SIRIUS 3RW44 3RW4436 soft starter Siemens 145A soft starter

Replaces / compatible with

This product is phased out. The preferred successor is the Siemens 3RW5536-2HA14.

Technical note

Expert tip

The spring-type terminals simplify wiring, reducing installation time and ensuring a consistently reliable connection, which is crucial for high-power motor control.

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Frequently asked questions

What is the voltage range and terminal type for the Siemens 3RW4436-2BC34 soft starter?

The Siemens 3RW4436-2BC34 soft starter operates on a 200-460V AC supply and features spring-type terminals for quick and secure connections. It has a control voltage of 115V AC.